A gas mixture of nitrogen and oxygen having a total pressure of 2.50 atm is above 2.0 L of water at 25 degrees Celsius. The water has 51.3 mg of nitrogen dissolved in it. What is the molar composition of nitrogen and oxygen in the mixture (gas)? Kh for N2 and O2 in water at 25 degrees Celsius are 6.1 x 10^-4 mol/L*atm and 1.3 x 10^-3 M respectively.